Zulip Desktop before 5.0.0 improperly uses shell.openExternal and shell.openItem with…
Priority MEDIUM 48Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Zulip Desktop before 5.0.0 improperly uses shell.openExternal and shell.openItem with untrusted content, leading to remote code execution.
Why it matters now
EPSS 0.0317 88th percentileScored 2026-11-08
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-10857
- 2026-10-03 Alias added: GHSA-7fjh-g2fp-mqf5
References
More Zulip Desktop vulnerabilities
- TI-2020-08744 Zulip Desktop before 5.0.0 allows attackers to perform recording via the webcam and… CVSS 3.1MEDIUM 5.3
Sources
- CVE-2020-10857 · CVE Program
- CVE-2020-10857 · NVD
- FIRST EPSS
- GHSA-7fjh-g2fp-mqf5 · GitHub Advisory Database · CC BY 4.0
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